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US 9,789,297 B2Granted
Liquid applicator
Assignee3M Innovative Properties Company
InventorsAlan R. Dombrowski, Jason L. Aveldson
Life of this patent
Estimating the term…
Abstract
Liquid applicators wherein the applicators include a lever having a hinge, grip and foot integrally formed with a hollow body suitable for receiving a liquid-filled ampoule. The foot is positioned adjacent the ampoule and crushes the ampoule when the lever is depressed.
Claims6
A liquid applicator for applying a liquid to a surface, the applicator comprising:
- an elongated hollow body comprising a wall defining an internal chamber having a closed end and an open end;
- wherein the wall comprises a handle region and a crush region and wherein the ratio of thickness of the wall in the crush region over the thickness of the wall in the handle region is less than 1;
- a first ampoule formed of a frangible material located in the internal chamber proximate the crush region and containing the liquid;
- a lever integral with the hollow body and comprising a hinge projecting from a first location attached to the hollow body to a second location, a grip extending from the second location to a third location, and a foot integral to the wall adjacent the crush region;
- wherein the lever comprises a first truss extending from the third location to the foot;
- a second truss extending from the second location to the foot, and a brace extending from the hinge to the second truss;
- wherein the width of the first truss is tapered from a first width proximate the third location and a second width proximate foot;
- wherein the ratio of the second width over the first width is less than 1.
5 more elements
Dependencies are inferred from the claim text.